12111209027 has 2 divisors, whose sum is σ = 12111209028. Its totient is φ = 12111209026.

The previous prime is 12111209009. The next prime is 12111209041. The reversal of 12111209027 is 72090211121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12111209027 - 2²² = 12107014723 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12111208987 and 12111209005.

It is not a weakly prime, because it can be changed into another prime (12111209057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6055604513 + 6055604514.

It is an arithmetic number, because the mean of its divisors is an integer number (6055604514).

Almost surely, 2^12111209027 is an apocalyptic number.

12111209027 is a deficient number, since it is larger than the sum of its proper divisors (1).

12111209027 is an equidigital number, since it uses as much as digits as its factorization.

12111209027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 26.

The spelling of 12111209027 in words is "twelve billion, one hundred eleven million, two hundred nine thousand, twenty-seven".